complex began in 1585, financed by Agapito Grillo, when it was decided to extend the apse up to the area of the cemetery behind it, and expand the side apses with chapels on either side of the main altar. The extensions were carried out by the architect Gaspare della Corte. The Chapel of the Crucifix has a marble covering, added by Taddeo Carlone in 1587. In 1646, during a by cardinal Stefano Durazzo, the cardinal arranged for additional renovations. These renovations included the opening of three semicircular windows and an overhaul of the naves, with the replacement of the columns and the construction of the cupola, and were entrusted to the architect . With the transformation of the interior in Baroque style, the chapels and side altars were also enriched with paintings and sculptures by the confraternities and noble families. Around 1820 the frescoes in the vaults were completed. Between 1841 and 1848, a new marble facade, done in Neoclassical style, was added to the church; it was designed by . Since the addition of the facade, the building has not undergone any substantial modifications. On January 8, 1983, Pope John Paul II issued a papal brief, bestowing on the church the title of minor basilica. Interior decoration Madonna with Saints Leonardo and Stefano (18th century) by Domenico Parodi Madonna, Child, and Angels (c 1465) attributed to Giovanni Mazone San Michele (c. 1680) by Gregorio De Ferrari St Catherine (central panel of polyptych 1476 and 1494, by Francesco da Pavia Ten Thousand Crucifixions (1580) by Bernardo Castello Last Supper (17th century) derived from Oratory of San Giacomo delle Fucine by Simone Balli Birth of the Virgin (1784) by Giuseppe Cades A Crucifix, Madonna, and St John, statues attributed to Anton Maria Maragliano Triumph of the Cross (c. 1690) and Vision of St John of the Cross (c. 1685) by Domenico Piola Madonna and child (Late Gothic statue in right portal) Epiphany (1819) and Apparition of Christ before his Mother (1820) by Santo Tagliafichi Madonna and Child (1616) by Giovanni and Tommaso Orsolino Statues of Christ and St. Peter by Michele Sansebastiano Annunciation (1787) in the presbytery, by Carlo Giuseppe Ratti Repose during Escape to Egypt (c. 1820) by Felice Vinelli Madonna (1397) attributed to Taddeo di Bartolo Presentation of the Virgin (1785) by Giovanni David Visitation (c. 1820) by Giuseppe Passano Trinity and Saints (1770) by Carlo Giuseppe Ratti Annunciation